diff --git a/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-add.ts b/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-add.ts
new file mode 100644
index 00000000..64416f74
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-add.ts
@@ -0,0 +1,41 @@
+import { DeviceType, LocaleCode } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface BuddyAddRequest extends ProtocolRequest {
+  // 0n. 사용자SEQ(n)...
+  userSeqs: number[];
+}
+
+export interface BuddyAddResponse extends ProtocolResponse {
+  // 0n. 사용자SEQ(n)...
+  userSeqs: number[];
+}
+
+export const encodeBuddyAdd: ProtocolEncoder<BuddyAddRequest> = (
+  req: BuddyAddRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  for (const userSeq of req.userSeqs) {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  }
+
+  return bodyList;
+};
+
+export const decodeBuddyAdd: ProtocolDecoder<BuddyAddResponse> = (
+  message: ProtocolMessage
+) => {
+  const userSeqArray: number[] = [...message.bodyList];
+  return {
+    userSeqs: userSeqArray
+  } as BuddyAddResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-del.ts b/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-del.ts
new file mode 100644
index 00000000..d0860eef
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-del.ts
@@ -0,0 +1,41 @@
+import { DeviceType, LocaleCode } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface BuddyDelRequest extends ProtocolRequest {
+  // 0n. 사용자SEQ(n)...
+  userSeqs: number[];
+}
+
+export interface BuddyDelResponse extends ProtocolResponse {
+  // 0n. 사용자SEQ(n)...
+  userSeqs: number[];
+}
+
+export const encodeBuddyDel: ProtocolEncoder<BuddyDelRequest> = (
+  req: BuddyDelRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  for (const userSeq of req.userSeqs) {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  }
+
+  return bodyList;
+};
+
+export const decodeBuddyDel: ProtocolDecoder<BuddyDelResponse> = (
+  message: ProtocolMessage
+) => {
+  const userSeqArray: number[] = [...message.bodyList];
+  return {
+    userSeqs: userSeqArray
+  } as BuddyDelResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-update.ts b/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-update.ts
new file mode 100644
index 00000000..66c7fa13
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-buddy/src/lib/models/buddy-update.ts
@@ -0,0 +1,47 @@
+import { DeviceType, LocaleCode } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface BuddyUpdateRequest extends ProtocolRequest {
+  // 0. 사용자SEQ(n)
+  userSeq: number;
+  // 1. 즐겨찾기여부(y)
+  isFavorit: boolean;
+}
+
+export interface BuddyUpdateResponse extends ProtocolResponse {
+  // 0. 사용자SEQ(n)
+  userSeq: number;
+  // 1. 즐겨찾기여부(y)
+  isFavorit: boolean;
+}
+
+export const encodeBuddyUpdate: ProtocolEncoder<BuddyUpdateRequest> = (
+  req: BuddyUpdateRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.Integer, value: req.userSeq });
+  bodyList.push({
+    type: PacketBodyValue.String,
+    value: req.isFavorit ? 'Y' : 'N'
+  });
+
+  return bodyList;
+};
+
+export const decodeBuddyUpdate: ProtocolDecoder<BuddyUpdateResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    userSeq: message.bodyList[0],
+    isFavorit: message.bodyList[1] === 'Y' ? true : false
+  } as BuddyUpdateResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-buddy/src/lib/services/buddy-protocol.service.ts b/projects/ucap-webmessenger-protocol-buddy/src/lib/services/buddy-protocol.service.ts
index 2a0682d9..365fd17c 100644
--- a/projects/ucap-webmessenger-protocol-buddy/src/lib/services/buddy-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-buddy/src/lib/services/buddy-protocol.service.ts
@@ -1,8 +1,66 @@
 import { Injectable } from '@angular/core';
 
+import { Observable } from 'rxjs';
+import { map, take } from 'rxjs/operators';
+
+import { ProtocolService } from '@ucap-webmessenger/protocol';
+
+import {
+  SVC_TYPE_BUDDY,
+  SSVC_TYPE_BUDDY_ADD_REQ,
+  SSVC_TYPE_BUDDY_DEL_REQ,
+  SSVC_TYPE_BUDDY_UPD_REQ
+} from '../types/service';
+
+import {
+  BuddyAddRequest,
+  encodeBuddyAdd,
+  decodeBuddyAdd,
+  BuddyAddResponse
+} from '../models/buddy-add';
+import {
+  BuddyDelRequest,
+  encodeBuddyDel,
+  decodeBuddyDel,
+  BuddyDelResponse
+} from '../models/buddy-del';
+import {
+  BuddyUpdateRequest,
+  decodeBuddyUpdate,
+  encodeBuddyUpdate,
+  BuddyUpdateResponse
+} from '../models/buddy-update';
+
 @Injectable({
   providedIn: 'root'
 })
 export class BuddyProtocolService {
-  constructor() {}
+  constructor(private protocolService: ProtocolService) {}
+
+  public buddyAdd(req: BuddyAddRequest): Observable<BuddyAddResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_BUDDY, SSVC_TYPE_BUDDY_ADD_REQ, ...encodeBuddyAdd(req))
+      .pipe(
+        take(1),
+        map(res => decodeBuddyAdd(res))
+      );
+  }
+
+  public buddyDel(req: BuddyDelRequest): Observable<BuddyDelResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_BUDDY, SSVC_TYPE_BUDDY_DEL_REQ, ...encodeBuddyDel(req))
+      .pipe(
+        take(1),
+        map(res => decodeBuddyDel(res))
+      );
+  }
+
+  public buddyUpdate(req: BuddyUpdateRequest): Observable<BuddyUpdateResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_BUDDY, SSVC_TYPE_BUDDY_UPD_REQ, ...encodeBuddyUpdate(req))
+      .pipe(
+        take(1),
+        map(res => decodeBuddyUpdate(res))
+      );
+  }
 }
diff --git a/projects/ucap-webmessenger-protocol-buddy/src/lib/types/service.ts b/projects/ucap-webmessenger-protocol-buddy/src/lib/types/service.ts
new file mode 100644
index 00000000..2574056b
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-buddy/src/lib/types/service.ts
@@ -0,0 +1,7 @@
+export const SVC_TYPE_BUDDY = 4; // 동료 관리
+export const SSVC_TYPE_BUDDY_ADD_REQ = 1; // 동료추가
+export const SSVC_TYPE_BUDDY_ADD_RES = 2;
+export const SSVC_TYPE_BUDDY_DEL_REQ = 11; // 동료삭제
+export const SSVC_TYPE_BUDDY_DEL_RES = 12;
+export const SSVC_TYPE_BUDDY_UPD_REQ = 21; // 동료변경
+export const SSVC_TYPE_BUDDY_UPD_RES = 22;
diff --git a/projects/ucap-webmessenger-protocol-buddy/src/public-api.ts b/projects/ucap-webmessenger-protocol-buddy/src/public-api.ts
index 24173dd5..90da4389 100644
--- a/projects/ucap-webmessenger-protocol-buddy/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-buddy/src/public-api.ts
@@ -1,6 +1,9 @@
 /*
  * Public API Surface of ucap-webmessenger-protocol-buddy
  */
+export * from './lib/models/buddy-add';
+export * from './lib/models/buddy-del';
+export * from './lib/models/buddy-update';
 
 export * from './lib/services/buddy-protocol.service';
 
diff --git a/projects/ucap-webmessenger-protocol-event/src/lib/models/event-send.ts b/projects/ucap-webmessenger-protocol-event/src/lib/models/event-send.ts
new file mode 100644
index 00000000..f3bca19c
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-event/src/lib/models/event-send.ts
@@ -0,0 +1,107 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  ProtocolDecoder,
+  ProtocolMessage,
+  ProtocolStream,
+  PacketBodyValue
+} from '@ucap-webmessenger/protocol';
+import { EventType } from '../types/event.type';
+import { PushStatus } from '../types/pushStatus.type';
+
+export interface EventSendRequest extends ProtocolRequest {
+  // 0. 대화방SEQ(s)
+  roomSeq: string;
+  // 1. 이벤트타입(s)
+  type: EventType;
+  // 2. 이벤트내용(s)
+  sentMessage: string;
+}
+
+export interface EventSendResponse {
+  // 대화방SEQ(s)
+  roomSeq: string;
+  // 이벤트SEQ(n)
+  seq: number;
+  // 이벤트타입(s)
+  type: EventType;
+  // 발생일시(s)
+  sendDate: string;
+  // 이벤트내용(s)
+  message: string;
+  // 수신자수
+  receiverCount: number;
+  // 알림상태(s) PC 경우에만 관여됨 N: 푸시를 보내지 않은 이벤트 S: 푸시를 보낸 이벤트
+  pushStatus: PushStatus;
+  // 강퇴 타입(s)
+  ForcedExitType: string;
+  // 요청자 이름(s)
+  senderName: string;
+}
+
+export interface EventSendNotification extends EventSendResponse {
+  // 대화방SEQ(s)
+  // 이벤트SEQ(n)
+  // 이벤트타입(s)
+  // 발생일시(s)
+  // 이벤트내용(s)
+  // 수신자수
+  // 알림상태(s) PC 경우에만 관여됨 N: 푸시를 보내지 않은 이벤트 S: 푸시를 보낸 이벤트
+  // 강퇴 타입(s)
+  // 요청자 이름(s)
+
+  // 사용자아이디(s)
+  id?: string;
+  // 회사코드(s)
+  companyCode?: string;
+}
+
+export const encodeEventSend: ProtocolEncoder<EventSendRequest> = (
+  req: EventSendRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.String, value: req.roomSeq },
+    { type: PacketBodyValue.String, value: req.type },
+    { type: PacketBodyValue.String, value: req.sentMessage }
+  );
+
+  return bodyList;
+};
+
+export const decodeEventSend: ProtocolDecoder<EventSendResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    roomSeq: message.bodyList[0],
+    seq: message.bodyList[1],
+    type: message.bodyList[2] as EventType,
+    sendDate: message.bodyList[3],
+    message: message.bodyList[4],
+    receiverCount: message.bodyList[5] || 0,
+    pushStatus: message.bodyList[6] as PushStatus,
+    ForcedExitType: message.bodyList[7],
+    senderName: message.bodyList[8]
+  } as EventSendResponse;
+};
+
+export const decodeEventSendNotification: ProtocolDecoder<
+  EventSendNotification
+> = (message: ProtocolMessage) => {
+  return {
+    roomSeq: message.bodyList[0],
+    seq: message.bodyList[1],
+    type: message.bodyList[2] as EventType,
+    sendDate: message.bodyList[3],
+    message: message.bodyList[4],
+    receiverCount: message.bodyList[5] || 0,
+    pushStatus: message.bodyList[6] as PushStatus,
+    ForcedExitType: message.bodyList[7],
+    senderName: message.bodyList[8],
+    id: message.bodyList[9],
+    companyCode: message.bodyList[10]
+  } as EventSendNotification;
+};
diff --git a/projects/ucap-webmessenger-protocol-event/src/lib/services/event-protocol.service.ts b/projects/ucap-webmessenger-protocol-event/src/lib/services/event-protocol.service.ts
index 73f11c46..08e9e6fe 100644
--- a/projects/ucap-webmessenger-protocol-event/src/lib/services/event-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-event/src/lib/services/event-protocol.service.ts
@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core';
 
 import { Observable } from 'rxjs';
-import { map, takeWhile, timeout } from 'rxjs/operators';
+import { map, takeWhile, timeout, take } from 'rxjs/operators';
 
 import { ProtocolService } from '@ucap-webmessenger/protocol';
 
@@ -17,8 +17,15 @@ import {
   SVC_TYPE_EVENT,
   SSVC_TYPE_EVENT_INFO_REQ,
   SSVC_TYPE_EVENT_INFO_RES,
-  SSVC_TYPE_EVENT_INFO_DATA
+  SSVC_TYPE_EVENT_INFO_DATA,
+  SSVC_TYPE_EVENT_SEND_REQ
 } from '../types/service';
+import {
+  EventSendRequest,
+  EventSendResponse,
+  decodeEventSend,
+  encodeEventSend
+} from '../models/event-send';
 
 @Injectable({
   providedIn: 'root'
@@ -39,4 +46,15 @@ export class EventProtocolService {
         })
       );
   }
+
+  public eventSend(req: EventSendRequest): Observable<EventSendResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_EVENT, SSVC_TYPE_EVENT_SEND_REQ, ...encodeEventSend(req))
+      .pipe(
+        take(1),
+        map(res => {
+          return decodeEventSend(res);
+        })
+      );
+  }
 }
diff --git a/projects/ucap-webmessenger-protocol-event/src/lib/types/pushStatus.type.ts b/projects/ucap-webmessenger-protocol-event/src/lib/types/pushStatus.type.ts
new file mode 100644
index 00000000..81056b4a
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-event/src/lib/types/pushStatus.type.ts
@@ -0,0 +1,7 @@
+export enum PushStatus {
+  // PC 경우에만 관여됨
+  // N: 푸시를 보내지 않은 이벤트
+  NotSent = 'N',
+  // S: 푸시를 보낸 이벤트
+  Sent = 'S'
+}
diff --git a/projects/ucap-webmessenger-protocol-event/src/public-api.ts b/projects/ucap-webmessenger-protocol-event/src/public-api.ts
index d2ec1d13..6be7cdd3 100644
--- a/projects/ucap-webmessenger-protocol-event/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-event/src/public-api.ts
@@ -5,3 +5,5 @@
 export * from './lib/services/event-protocol.service';
 
 export * from './lib/ucap-event-protocol.module';
+
+export * from './lib/types/event.type';
diff --git a/projects/ucap-webmessenger-protocol-group/src/lib/models/group-add.ts b/projects/ucap-webmessenger-protocol-group/src/lib/models/group-add.ts
new file mode 100644
index 00000000..0a6a51e4
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-group/src/lib/models/group-add.ts
@@ -0,0 +1,41 @@
+import { DeviceType, LocaleCode } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface GroupAddRequest extends ProtocolRequest {
+  // 0. 동료그룹이름
+  groupName: string;
+}
+
+export interface GroupAddResponse extends ProtocolResponse {
+  // 0: 동료그룹SEQ(n)
+  groupSeq: number;
+  // 1: 동료그룹이름(s)
+  groupName: string;
+}
+
+export const encodeGroupAdd: ProtocolEncoder<GroupAddRequest> = (
+  req: GroupAddRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.groupName });
+
+  return bodyList;
+};
+
+export const decodeGroupAdd: ProtocolDecoder<GroupAddResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    groupSeq: message.bodyList[0],
+    groupName: message.bodyList[1]
+  } as GroupAddResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-group/src/lib/models/group-del.ts b/projects/ucap-webmessenger-protocol-group/src/lib/models/group-del.ts
new file mode 100644
index 00000000..1612aa6b
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-group/src/lib/models/group-del.ts
@@ -0,0 +1,38 @@
+import { DeviceType, LocaleCode } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface GroupDelRequest extends ProtocolRequest {
+  // 0: 동료그룹SEQ(n)
+  groupSeq: number;
+}
+
+export interface GroupDelResponse extends ProtocolResponse {
+  // 0: 동료그룹SEQ(n)
+  groupSeq: number;
+}
+
+export const encodeGroupDel: ProtocolEncoder<GroupDelRequest> = (
+  req: GroupDelRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.Integer, value: req.groupSeq });
+
+  return bodyList;
+};
+
+export const decodeGroupDel: ProtocolDecoder<GroupDelResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    groupSeq: message.bodyList[0]
+  } as GroupDelResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-group/src/lib/models/group-update.ts b/projects/ucap-webmessenger-protocol-group/src/lib/models/group-update.ts
new file mode 100644
index 00000000..996b5f5a
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-group/src/lib/models/group-update.ts
@@ -0,0 +1,91 @@
+import { DeviceType, LocaleCode } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface GroupUpdateRequest extends ProtocolRequest {
+  // 0: 동료그룹SEQ(n)
+  groupSeq: number;
+  // 1: 동료그룹이름(s)
+  groupName: string;
+  // 2n: 사용자SEQ(n)...
+  userSeqs: number[];
+}
+
+export interface GroupUpdateResponse extends ProtocolResponse {
+  // 0: 동료그룹SEQ(n)
+  groupSeq: number;
+  // 1: 동료그룹이름(s)
+  groupName: string;
+  // 2n: 사용자SEQ(n)...
+  userSeqs: number[];
+}
+
+export const encodeGroupUpdate: ProtocolEncoder<GroupUpdateRequest> = (
+  req: GroupUpdateRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.Integer, value: req.groupSeq },
+    { type: PacketBodyValue.String, value: req.groupName },
+    { type: PacketBodyValue.String, value: req.userSeqs.join(',') }
+  );
+
+  return bodyList;
+};
+
+export const decodeGroupUpdate: ProtocolDecoder<GroupUpdateResponse> = (
+  message: ProtocolMessage
+) => {
+  let userSeqArray: number[] = [];
+  if (message.bodyList.length > 2 && !message.bodyList[2].empty()) {
+    userSeqArray = message.bodyList[2].split(',').map((v: any) => Number(v));
+  }
+
+  return {
+    groupSeq: message.bodyList[0],
+    groupName: message.bodyList[1],
+    userSeqs: userSeqArray
+  } as GroupUpdateResponse;
+};
+
+export const encodeGroupUpdate2: ProtocolEncoder<GroupUpdateRequest> = (
+  req: GroupUpdateRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push(
+    { type: PacketBodyValue.Integer, value: req.groupSeq },
+    { type: PacketBodyValue.String, value: req.groupName }
+  );
+
+  if (req.userSeqs.length > 0) {
+    req.userSeqs.forEach(userSeq => {
+      bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+    });
+  }
+
+  return bodyList;
+};
+
+export const decodeGroupUpdate2: ProtocolDecoder<GroupUpdateResponse> = (
+  message: ProtocolMessage
+) => {
+  let userSeqArray: number[] = [];
+  if (message.bodyList.length > 2) {
+    userSeqArray = message.bodyList.slice(2);
+  }
+
+  return {
+    groupSeq: message.bodyList[0],
+    groupName: message.bodyList[1],
+    userSeqs: userSeqArray
+  } as GroupUpdateResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-group/src/lib/services/group-protocol.service.ts b/projects/ucap-webmessenger-protocol-group/src/lib/services/group-protocol.service.ts
index 20714e3c..9649ad8a 100644
--- a/projects/ucap-webmessenger-protocol-group/src/lib/services/group-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-group/src/lib/services/group-protocol.service.ts
@@ -1,8 +1,81 @@
 import { Injectable } from '@angular/core';
 
+import { Observable } from 'rxjs';
+import { map, take } from 'rxjs/operators';
+
+import { ProtocolService } from '@ucap-webmessenger/protocol';
+import {
+  GroupAddRequest,
+  encodeGroupAdd,
+  decodeGroupAdd,
+  GroupAddResponse
+} from '../models/group-add';
+import {
+  SVC_TYPE_GROUP,
+  SSVC_TYPE_GROUP_ADD_REQ,
+  SSVC_TYPE_GROUP_DEL_REQ,
+  SSVC_TYPE_GROUP_UPD_REQ,
+  SSVC_TYPE_GROUP_UPD_REQ2
+} from '../types/service';
+import {
+  GroupDelRequest,
+  encodeGroupDel,
+  decodeGroupDel,
+  GroupDelResponse
+} from '../models/group-del';
+import {
+  GroupUpdateRequest,
+  encodeGroupUpdate,
+  decodeGroupUpdate,
+  encodeGroupUpdate2,
+  decodeGroupUpdate2,
+  GroupUpdateResponse
+} from '../models/group-update';
 @Injectable({
   providedIn: 'root'
 })
 export class GroupProtocolService {
-  constructor() {}
+  constructor(private protocolService: ProtocolService) {}
+
+  public groupAdd(req: GroupAddRequest): Observable<GroupAddResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_GROUP, SSVC_TYPE_GROUP_ADD_REQ, ...encodeGroupAdd(req))
+      .pipe(
+        take(1),
+        map(res => decodeGroupAdd(res))
+      );
+  }
+
+  public groupDel(req: GroupDelRequest): Observable<GroupDelResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_GROUP, SSVC_TYPE_GROUP_DEL_REQ, ...encodeGroupDel(req))
+      .pipe(
+        take(1),
+        map(res => decodeGroupDel(res))
+      );
+  }
+
+  public groupUpdate(req: GroupUpdateRequest): Observable<GroupUpdateResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_GROUP, SSVC_TYPE_GROUP_UPD_REQ, ...encodeGroupUpdate(req))
+      .pipe(
+        take(1),
+        map(res => decodeGroupUpdate(res))
+      );
+  }
+
+  public groupUpdate2(
+    req: GroupUpdateRequest
+  ): Observable<GroupUpdateResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_GROUP,
+        SSVC_TYPE_GROUP_UPD_REQ2,
+        ...encodeGroupUpdate2(req)
+      )
+      .pipe(
+        take(1),
+        map(res => decodeGroupUpdate2(res))
+      );
+  }
 }
diff --git a/projects/ucap-webmessenger-protocol-group/src/lib/types/service.ts b/projects/ucap-webmessenger-protocol-group/src/lib/types/service.ts
new file mode 100644
index 00000000..f986c8b2
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-group/src/lib/types/service.ts
@@ -0,0 +1,9 @@
+export const SVC_TYPE_GROUP = 5; // 동료 그룹 관리
+export const SSVC_TYPE_GROUP_ADD_REQ = 1; // 동료 그룹 추가
+export const SSVC_TYPE_GROUP_ADD_RES = 2;
+export const SSVC_TYPE_GROUP_DEL_REQ = 11; // 동료 그룹 삭제
+export const SSVC_TYPE_GROUP_DEL_RES = 12;
+export const SSVC_TYPE_GROUP_UPD_REQ = 21; // 동료 그룹 변경
+export const SSVC_TYPE_GROUP_UPD_RES = 22;
+export const SSVC_TYPE_GROUP_UPD_REQ2 = 23;
+export const SSVC_TYPE_GROUP_UPD_RES2 = 24;
diff --git a/projects/ucap-webmessenger-protocol-group/src/public-api.ts b/projects/ucap-webmessenger-protocol-group/src/public-api.ts
index 210cf64d..766deaca 100644
--- a/projects/ucap-webmessenger-protocol-group/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-group/src/public-api.ts
@@ -1,6 +1,9 @@
 /*
  * Public API Surface of ucap-webmessenger-protocol-group
  */
+export * from './lib/models/group-add';
+export * from './lib/models/group-del';
+export * from './lib/models/group-update';
 
 export * from './lib/services/group-protocol.service';
 
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-info.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-info.ts
new file mode 100644
index 00000000..a9557f30
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-info.ts
@@ -0,0 +1,302 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage,
+  BodyStringDivider
+} from '@ucap-webmessenger/protocol';
+import { LocaleCode } from '@ucap-webmessenger/core';
+import { RoomType } from '../types/room.type';
+import { EventType } from '@ucap-webmessenger/protocol-event';
+import { EmployeeType } from '../types/employee.type';
+import { RoleCode } from '@ucap-webmessenger/protocol-authentication';
+
+export interface RoomInfo {
+  // 0. 대화방SEQ
+  roomSeq: string;
+  // 1. 대화방종류
+  roomType: RoomType;
+  // 2. 대화방명
+  roomName: string;
+  // 3. 최종타입
+  finalEventType: EventType;
+  // 4. 최종대화
+  finalEventMessage: string;
+  // 5. 최종시간
+  finalEventDate: string;
+  // 6. 참여인원수
+  joinUserCount: number;
+  // 7. 안읽은수
+  noReadCnt: number;
+  // 8. 알람여부
+  isAlarm: boolean;
+  // 9. 참여여부
+  isJoinRoom: boolean;
+  // 10. 유효한파일 이벤트 기준 SEQ
+  expiredFileStdSeq: number;
+  // 11. 타이머대화방여부YN
+  isTimeRoom: boolean;
+  // 12. 타이머시간(n)
+  timeRoomInterval: number;
+}
+
+export interface UserInfoShort {
+  // 0. 사용자SEQ
+  userSeq: number;
+  // 1. 사용자명
+  name: string;
+  // 2. 사진파일
+  profileImageFile: string;
+  // 3. 참여여부
+  isJoinRoom: boolean;
+  // 4. 최종확인SEQ
+  lastReadEventSeq: number;
+  // 5. MADN
+  madn: string;
+  // 6. HARDPHONE_SADN
+  hardSadn: string;
+  // 7. FMC_SADN
+  fmcSadn: string;
+  // 8. 사용자명(영어)
+  nameEn: string;
+  // 9. 사용자명(중국어)
+  nameCn: string;
+  // 10. 이용약관동의여부YN
+  isPrivacyAgree: boolean;
+  // 11. 유효접속여부YN
+  isValidLogin: boolean;
+  // 12. 임직원유형(s)
+  employeeType: EmployeeType;
+  // 13. 폰트색(s)
+  fontColor: string;
+}
+
+export interface UserInfo {
+  // 0. 사용자SEQ
+  userSeq: number;
+  // 1. 사용자명
+  name: string;
+  // 2. 사진파일
+  profileImageFile: string;
+  // 3. 직급
+  grade: string;
+  // 4. 업무소개
+  intro: string;
+  // 5. 기관코드
+  companyCode: string;
+  // 6. 핸드폰번호
+  hpNumber: string;
+  // 7. 내선번호
+  lineNumber: string;
+  // 8. 이메일
+  email: string;
+  // 9. 모바일YN
+  isMobile: boolean;
+  // 10. 부서명
+  deptName: string;
+  // 11. 참여 여부 <<<<
+  isJoinRoom: boolean;
+  // 12. 최종확인SEQ <<<<
+  lastReadEventSeq: number;
+  // 13. ActiveYN
+  isActive: boolean;
+  // 14. 역할코드
+  roleCd: RoleCode;
+  // 15. 사번
+  employeeNum: string;
+  // 16. MADN
+  madn: string;
+  // 17. HARDPHONE_SADN
+  hardSadn: string;
+  // 18. FMC_SADN
+  fmcSadn: string;
+  // 19. 사용자명(영어)
+  nameEn: string;
+  // 20. 사용자명(중국어)
+  nameCn: string;
+  // 21. 직급(영어)
+  gradeEn: string;
+  // 22. 직급(중국어)
+  gradeCn: string;
+  // 23. 부서명(영어)
+  deptNameEn: string;
+  // 24. 부서명(중국어)
+  deptNameCn: string;
+  // 25. CALL_MODE <<<
+  callMode: string;
+  // 26. 이용약관동의여부YN
+  isPrivacyAgree: boolean;
+  // 27. 유효접속여부YN
+  isValidLogin: boolean;
+  // 28. 임직원유형(s)
+  employeeType: EmployeeType;
+  // 29. 사용자아이디(s) <<<
+  id: string;
+}
+
+export interface RoomInfoRequest extends ProtocolRequest {
+  // 0. 대화방SEQ(s)
+  roomSeq: string;
+  // 1. 상세정보여부(y)
+  isDetail: boolean;
+  // 2. 언어코드(s)
+  localeCode: LocaleCode;
+}
+
+export interface RoomInfoResponse extends ProtocolResponse {
+  // 0. 대화방SEQ(s)
+  roomSeq: string;
+}
+
+export interface RoomInfoDataResponse extends ProtocolResponse {
+  // 0. 대화방SEQ(s)
+  roomSeq: string;
+  // 1. {대화방정보}
+  roomInfo: RoomInfo;
+}
+
+export interface RoomUserShortDataResponse extends ProtocolResponse {
+  // 0. 대화방SEQ(s)
+  roomSeq: string;
+  // 1n. {참여자정보}
+  userInfos: UserInfoShort[];
+}
+export interface RoomUserDataResponse extends ProtocolResponse {
+  // 0. 대화방SEQ(s)
+  roomSeq: string;
+  // 1n. {참여자정보-D}
+  userInfos: UserInfo[];
+}
+
+export const encodeRoomInfo: ProtocolEncoder<RoomInfoRequest> = (
+  req: RoomInfoRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomSeq });
+  bodyList.push({
+    type: PacketBodyValue.String,
+    value: req.isDetail !== true ? 'N' : 'Y'
+  }); // 요청응답을 상세로 받는것을 default
+  bodyList.push({ type: PacketBodyValue.String, value: req.localeCode });
+
+  return bodyList;
+};
+
+export const decodeRoomInfo: ProtocolDecoder<RoomInfoResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    roomSeq: message.bodyList[0]
+  } as RoomInfoResponse;
+};
+
+export const decodeRoomInfoData: ProtocolDecoder<RoomInfoDataResponse> = (
+  message: ProtocolMessage
+) => {
+  let roomInfo: RoomInfo = null;
+  if (message.bodyList.length > 1) {
+    const info = message.bodyList[1].split(BodyStringDivider);
+    if (info.length > 11) {
+      roomInfo = {
+        roomSeq: info[0],
+        roomType: info[1],
+        roomName: info[2],
+        finalEventType: info[3] as EventType,
+        finalEventMessage: info[4],
+        finalEventDate: info[5],
+        joinUserCount: info[6],
+        noReadCnt: info[7],
+        isAlarm: info[8] !== 'N' ? true : false,
+        isJoinRoom: info[9] === 'Y' ? true : false,
+        expiredFileStdSeq: info[10],
+        isTimeRoom: info[11] === 'Y' ? true : false,
+        timeRoomInterval: info[11] !== 'Y' ? 0 : info[12] || 0
+      };
+    }
+  }
+
+  return {
+    roomSeq: message.bodyList[0],
+    roomInfo
+  } as RoomInfoDataResponse;
+};
+
+export const decodeRoomUserShortData: ProtocolDecoder<
+  RoomUserShortDataResponse
+> = (message: ProtocolMessage) => {
+  const userInfos: UserInfoShort[] = [];
+  message.bodyList.slice(1).forEach(userInfo => {
+    const info = userInfo.split(BodyStringDivider);
+    userInfos.push({
+      userSeq: info[0],
+      name: info[1],
+      profileImageFile: info[2],
+      isJoinRoom: info[3],
+      lastReadEventSeq: info[4],
+      madn: info[5],
+      hardSadn: info[6],
+      fmcSadn: info[7],
+      nameEn: info[8],
+      nameCn: info[9],
+      isPrivacyAgree: info[10] === 'Y' ? true : false,
+      isValidLogin: info[11] === 'Y' ? true : false,
+      employeeType: info[12] as EmployeeType,
+      fontColor: info[13]
+    });
+  });
+
+  return {
+    roomSeq: message.bodyList[0],
+    userInfos
+  } as RoomUserShortDataResponse;
+};
+
+export const decodeRoomUserData: ProtocolDecoder<RoomUserDataResponse> = (
+  message: ProtocolMessage
+) => {
+  const userInfos: UserInfo[] = [];
+  message.bodyList.slice(1).forEach(userInfo => {
+    const info = userInfo.split(BodyStringDivider);
+    userInfos.push({
+      userSeq: info[0],
+      name: info[1],
+      profileImageFile: info[2],
+      grade: info[3],
+      intro: info[4],
+      companyCode: info[5],
+      hpNumber: info[6],
+      lineNumber: info[7],
+      email: info[8],
+      isMobile: info[9] === 'Y' ? true : false,
+      deptName: info[10],
+      isJoinRoom: info[11] === 'Y' ? true : false,
+      lastReadEventSeq: info[12],
+      isActive: info[13] === 'Y' ? true : false,
+      roleCd: info[14] as RoleCode,
+      employeeNum: info[15],
+      madn: info[16],
+      hardSadn: info[17],
+      fmcSadn: info[18],
+      nameEn: info[19],
+      nameCn: info[20],
+      gradeEn: info[21],
+      gradeCn: info[22],
+      deptNameEn: info[23],
+      deptNameCn: info[24],
+      callMode: info[25],
+      isPrivacyAgree: info[26] === 'Y' ? true : false,
+      isValidLogin: info[27] === 'Y' ? true : false,
+      employeeType: info[28] as EmployeeType,
+      id: info[29]
+    });
+  });
+
+  return {
+    roomSeq: message.bodyList[0],
+    userInfos
+  } as RoomUserDataResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-invite.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-invite.ts
new file mode 100644
index 00000000..8be64b05
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-invite.ts
@@ -0,0 +1,50 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface RoomInviteRequest extends ProtocolRequest {
+  // 0. 대화방SEQ(s)
+  roomSeq: string;
+  // 1n. 초대자 userSeq(n)...
+  inviteUserSeqs: number[];
+}
+
+export interface RoomInviteResponse extends ProtocolResponse {
+  // 0. 대화방SEQ(s)
+  roomSeq: string;
+}
+
+export const encodeRoomInvite: ProtocolEncoder<RoomInviteRequest> = (
+  req: RoomInviteRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomSeq });
+  for (const userSeq of req.inviteUserSeqs) {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  }
+
+  return bodyList;
+};
+
+export const decodeRoomInvite: ProtocolDecoder<RoomInviteResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    roomSeq: message.bodyList[0]
+  } as RoomInviteResponse;
+};
+
+export const decodeRoomInviteNotification: ProtocolDecoder<
+  RoomInviteResponse
+> = (message: ProtocolMessage) => {
+  return {
+    roomSeq: message.bodyList[0]
+  } as RoomInviteResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open.ts
new file mode 100644
index 00000000..f3c334a3
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open.ts
@@ -0,0 +1,48 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface RoomOpenRequest extends ProtocolRequest {
+  // 0. 구분자
+  divCd: string;
+  // 1n. 초대자 userSeq(n)...
+  userSeqs: number[];
+}
+
+export interface RoomOpenResponse extends ProtocolResponse {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방SEQ(s)
+  roomSeq: string;
+  // 2.	신규여부(y)
+  newRoom: boolean;
+}
+
+export const encodeRoomOpen: ProtocolEncoder<RoomOpenRequest> = (
+  req: RoomOpenRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
+  for (const userSeq of req.userSeqs) {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  }
+
+  return bodyList;
+};
+
+export const decodeRoomOpen: ProtocolDecoder<RoomOpenResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    divCd: message.bodyList[0],
+    roomSeq: message.bodyList[1],
+    newRoom: message.bodyList[2] === 'Y' ? true : false
+  } as RoomOpenResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open2.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open2.ts
new file mode 100644
index 00000000..cc148195
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open2.ts
@@ -0,0 +1,54 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface RoomOpen2Request extends ProtocolRequest {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2n. 초대자 userSeq(n)...
+  userSeqs: number[];
+}
+
+export interface RoomOpen2Response extends ProtocolResponse {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2. 대화방SEQ(s)
+  roomSeq: string;
+  // 3.	신규여부(y)
+  newRoom: boolean;
+}
+
+export const encodeRoomOpen2: ProtocolEncoder<RoomOpen2Request> = (
+  req: RoomOpen2Request
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomName.trim() });
+  for (const userSeq of req.userSeqs) {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  }
+
+  return bodyList;
+};
+
+export const decodeRoomOpen2: ProtocolDecoder<RoomOpen2Response> = (
+  message: ProtocolMessage
+) => {
+  return {
+    divCd: message.bodyList[0],
+    roomName: message.bodyList[1],
+    roomSeq: message.bodyList[2],
+    newRoom: message.bodyList[3] === 'Y' ? true : false
+  } as RoomOpen2Response;
+};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open3.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open3.ts
new file mode 100644
index 00000000..ddf7d4bf
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open3.ts
@@ -0,0 +1,72 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface RoomOpen3Request extends ProtocolRequest {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2. 타이머대화방여부YN(s)
+  isTimerRoom: boolean;
+  // 3. 타이머시간(n)
+  timerRoomInterval: number;
+  // 4n. 초대자 userSeq(n)...
+  userSeqs: number[];
+}
+
+export interface RoomOpen3Response extends ProtocolResponse {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2. 대화방SEQ(s)
+  roomSeq: string;
+  // 3.	신규여부(y)
+  newRoom: boolean;
+  // 4. 타이머대화방여부YN(s)
+  isTimerRoom: boolean;
+  // 5. 타이머시간(n)
+  timerRoomInterval: number;
+}
+
+export const encodeRoomOpen3: ProtocolEncoder<RoomOpen3Request> = (
+  req: RoomOpen3Request
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomName.trim() });
+  bodyList.push({
+    type: PacketBodyValue.String,
+    value: req.isTimerRoom === true ? 'Y' : 'N'
+  });
+  bodyList.push({
+    type: PacketBodyValue.Integer,
+    value: req.isTimerRoom !== true ? 0 : req.timerRoomInterval
+  });
+  for (const userSeq of req.userSeqs) {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  }
+
+  return bodyList;
+};
+
+export const decodeRoomOpen3: ProtocolDecoder<RoomOpen3Response> = (
+  message: ProtocolMessage
+) => {
+  return {
+    divCd: message.bodyList[0],
+    roomName: message.bodyList[1],
+    roomSeq: message.bodyList[2],
+    newRoom: message.bodyList[3] === 'Y' ? true : false,
+    isTimerRoom: message.bodyList[4] === 'Y' ? true : false,
+    timerRoomInterval: message.bodyList[5] || 0
+  } as RoomOpen3Response;
+};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open4.ts b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open4.ts
new file mode 100644
index 00000000..35cf2da5
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/models/room-open4.ts
@@ -0,0 +1,73 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage
+} from '@ucap-webmessenger/protocol';
+
+export interface RoomOpen4Request extends ProtocolRequest {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2. 타이머대화방여부YN(s)
+  isTimerRoom: boolean;
+  // 3. 타이머시간(n)
+  timerRoomInterval: number;
+  // 4n. 초대자 userSeq(n)...
+  userSeqs: number[];
+}
+
+export interface RoomOpen4Response extends ProtocolResponse {
+  // 0. 구분자
+  divCd: string;
+  // 1. 대화방제목(s)
+  roomName: string;
+  // 2. 대화방SEQ(s)
+  roomSeq: string;
+  // 3.	신규여부(y)
+  newRoom: boolean;
+  // 4. 타이머대화방여부YN(s)
+  isTimerRoom: boolean;
+  // 5. 타이머시간(n)
+  timerRoomInterval: number;
+}
+
+export const encodeRoomOpen4: ProtocolEncoder<RoomOpen4Request> = (
+  req: RoomOpen4Request
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.divCd });
+  bodyList.push({ type: PacketBodyValue.String, value: req.roomName.trim() });
+  bodyList.push({
+    type: PacketBodyValue.String,
+    value: req.isTimerRoom === true ? 'Y' : 'N'
+  });
+  bodyList.push({
+    type: PacketBodyValue.Integer,
+    value: req.isTimerRoom !== true ? 0 : req.timerRoomInterval
+  });
+  for (const userSeq of req.userSeqs) {
+    bodyList.push({ type: PacketBodyValue.Integer, value: userSeq });
+  }
+
+  return bodyList;
+};
+
+export const decodeRoomOpen4: ProtocolDecoder<RoomOpen4Response> = (
+  message: ProtocolMessage
+) => {
+  return {
+    divCd: message.bodyList[0],
+    roomName: message.bodyList[1],
+    roomSeq: message.bodyList[2],
+    newRoom: message.bodyList[3] === 'Y' ? true : false,
+    isTimerRoom: message.bodyList[4] === 'Y' ? true : false,
+    timerRoomInterval:
+      message.bodyList[4] !== 'Y' ? 0 : message.bodyList[5] || 0
+  } as RoomOpen4Response;
+};
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts b/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts
index d1d3542c..6ad5bc2b 100644
--- a/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts
@@ -1,8 +1,139 @@
 import { Injectable } from '@angular/core';
 
+import { Observable } from 'rxjs';
+import { map, take, takeWhile } from 'rxjs/operators';
+
+import { ProtocolService } from '@ucap-webmessenger/protocol';
+import {
+  SVC_TYPE_ROOM,
+  SSVC_TYPE_ROOM_OPEN_REQ,
+  SSVC_TYPE_ROOM_OPEN2_REQ,
+  SSVC_TYPE_ROOM_OPEN3_REQ,
+  SSVC_TYPE_ROOM_OPEN4_REQ,
+  SSVC_TYPE_ROOM_INVITE_REQ,
+  SSVC_TYPE_ROOM_INFO_ROOM,
+  SSVC_TYPE_ROOM_INFO_RES,
+  SSVC_TYPE_ROOM_INFO_REQ,
+  SSVC_TYPE_ROOM_INFO_USER,
+  SSVC_TYPE_ROOM_INFO_USER2
+} from '../types/service';
+import {
+  RoomOpenRequest,
+  encodeRoomOpen,
+  decodeRoomOpen,
+  RoomOpenResponse
+} from '../models/room-open';
+import {
+  RoomOpen2Request,
+  RoomOpen2Response,
+  decodeRoomOpen2,
+  encodeRoomOpen2
+} from '../models/room-open2';
+import {
+  RoomOpen3Request,
+  RoomOpen3Response,
+  encodeRoomOpen3,
+  decodeRoomOpen3
+} from '../models/room-open3';
+import {
+  RoomOpen4Request,
+  RoomOpen4Response,
+  encodeRoomOpen4,
+  decodeRoomOpen4
+} from '../models/room-open4';
+import {
+  RoomInviteRequest,
+  RoomInviteResponse,
+  encodeRoomInvite,
+  decodeRoomInvite
+} from '../models/room-invite';
+import {
+  RoomInfoRequest,
+  RoomInfoResponse,
+  RoomInfoDataResponse,
+  RoomUserShortDataResponse,
+  RoomUserDataResponse,
+  encodeRoomInfo,
+  decodeRoomInfoData,
+  decodeRoomInfo,
+  decodeRoomUserShortData,
+  decodeRoomUserData
+} from '../models/room-info';
+
 @Injectable({
   providedIn: 'root'
 })
 export class RoomProtocolService {
-  constructor() {}
+  constructor(private protocolService: ProtocolService) {}
+
+  public roomOpen(req: RoomOpenRequest): Observable<RoomOpenResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_ROOM, SSVC_TYPE_ROOM_OPEN_REQ, ...encodeRoomOpen(req))
+      .pipe(
+        take(1),
+        map(res => decodeRoomOpen(res))
+      );
+  }
+
+  public roomOpen2(req: RoomOpen2Request): Observable<RoomOpen2Response> {
+    return this.protocolService
+      .call(SVC_TYPE_ROOM, SSVC_TYPE_ROOM_OPEN2_REQ, ...encodeRoomOpen2(req))
+      .pipe(
+        take(1),
+        map(res => decodeRoomOpen2(res))
+      );
+  }
+
+  public roomOpen3(req: RoomOpen3Request): Observable<RoomOpen3Response> {
+    return this.protocolService
+      .call(SVC_TYPE_ROOM, SSVC_TYPE_ROOM_OPEN3_REQ, ...encodeRoomOpen3(req))
+      .pipe(
+        take(1),
+        map(res => decodeRoomOpen3(res))
+      );
+  }
+
+  public roomOpen4(req: RoomOpen4Request): Observable<RoomOpen4Response> {
+    return this.protocolService
+      .call(SVC_TYPE_ROOM, SSVC_TYPE_ROOM_OPEN4_REQ, ...encodeRoomOpen4(req))
+      .pipe(
+        take(1),
+        map(res => decodeRoomOpen4(res))
+      );
+  }
+
+  public roomInvite(req: RoomInviteRequest): Observable<RoomInviteResponse> {
+    return this.protocolService
+      .call(SVC_TYPE_ROOM, SSVC_TYPE_ROOM_INVITE_REQ, ...encodeRoomInvite(req))
+      .pipe(
+        take(1),
+        map(res => decodeRoomInvite(res))
+      );
+  }
+
+  public roomInfo(
+    req: RoomInfoRequest
+  ): Observable<
+    | RoomInfoResponse
+    | RoomInfoDataResponse
+    | RoomUserShortDataResponse
+    | RoomUserDataResponse
+  > {
+    return this.protocolService
+      .call(SVC_TYPE_ROOM, SSVC_TYPE_ROOM_INFO_REQ, ...encodeRoomInfo(req))
+      .pipe(
+        takeWhile(res => SSVC_TYPE_ROOM_INFO_RES !== res.subServiceType),
+        map(res => {
+          if (SSVC_TYPE_ROOM_INFO_ROOM === res.subServiceType) {
+            return decodeRoomInfoData(res);
+          } else if (SSVC_TYPE_ROOM_INFO_USER === res.subServiceType) {
+            return decodeRoomUserShortData(res);
+          } else if (SSVC_TYPE_ROOM_INFO_USER2 === res.subServiceType) {
+            return decodeRoomUserData(res);
+          }
+
+          return decodeRoomInfo(res);
+        })
+      );
+  }
 }
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/types/employee.type.ts b/projects/ucap-webmessenger-protocol-room/src/lib/types/employee.type.ts
new file mode 100644
index 00000000..1101c9ba
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/types/employee.type.ts
@@ -0,0 +1,8 @@
+export enum EmployeeType {
+  // R(정규직)
+  Regular = 'R',
+  // P(파트너)
+  Partner = 'P',
+  // M(현장대리인)
+  Manager = 'M'
+}
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/types/room.type.ts b/projects/ucap-webmessenger-protocol-room/src/lib/types/room.type.ts
new file mode 100644
index 00000000..8c4e7b4e
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/types/room.type.ts
@@ -0,0 +1,20 @@
+export enum RoomType {
+  // S: 1: 1 대화
+  Single = 'S',
+  // M: 멀티대화
+  Multi = 'M',
+  // B: Bot대화
+  Bot = 'B',
+  // A: 알림방
+  Allim = 'A',
+
+  // // X: 확장대화 deprecated
+  // Extend = 'E',
+  // // N: 공지대화 deprecated
+  // Notice = 'N',
+
+  // L: 링크(Legacy)
+  Link = 'L',
+  // K: MyTalk(나와의 대화)
+  Mytalk = 'K'
+}
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/types/service.ts b/projects/ucap-webmessenger-protocol-room/src/lib/types/service.ts
new file mode 100644
index 00000000..b515ce14
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/types/service.ts
@@ -0,0 +1,43 @@
+export const SVC_TYPE_ROOM = 10; // 대화방
+export const SSVC_TYPE_ROOM_OPEN_REQ = 1; // 대화방 개설 요청
+export const SSVC_TYPE_ROOM_OPEN_RES = 2;
+export const SSVC_TYPE_ROOM_OPEN2_REQ = 3; // 대화방 개설 요청2
+export const SSVC_TYPE_ROOM_OPEN2_RES = 4;
+export const SSVC_TYPE_ROOM_OPEN3_REQ = 5; // 대화방 개설 요청3
+export const SSVC_TYPE_ROOM_OPEN3_RES = 6;
+export const SSVC_TYPE_ROOM_OPEN4_REQ = 7; // 대화방 개설 요청4
+export const SSVC_TYPE_ROOM_OPEN4_RES = 8;
+export const SSVC_TYPE_ROOM_INVITE_REQ = 11; // 초대 요청
+export const SSVC_TYPE_ROOM_INVITE_RES = 12;
+export const SSVC_TYPE_ROOM_INVITE_NOTI = 13;
+
+export const SSVC_TYPE_ROOM_INFO_REQ = 21; // 대화방 정보 요청
+export const SSVC_TYPE_ROOM_INFO_ROOM = 22; // 대화방 정보
+export const SSVC_TYPE_ROOM_INFO_USER = 23; // 참가자 정보
+export const SSVC_TYPE_ROOM_INFO_USER2 = 25; // 참가자 정보(상세)
+export const SSVC_TYPE_ROOM_INFO_RES = 24; // 대화방 정보 완료
+export const SSVC_TYPE_ROOM_INFO_SIMPLE_REQ = 26; // 대화방 정보 요청
+// export const SSVC_TYPE_ROOM_INFO_ROOM = 22; // 대화방 정보
+// export const SSVC_TYPE_ROOM_INFO_USER = 25; // 참가자 정보(상세)
+export const SSVC_TYPE_ROOM_INFO_SIMPLE_RES = 27; // 대화방 정보 완료
+export const SSVC_TYPE_ROOM_UPD_REQ = 31; // 대화방 변경 요청
+export const SSVC_TYPE_ROOM_UPD_RES = 32;
+export const SSVC_TYPE_ROOM_INFO_UPD_REQ = 33; // 대화방 정보 변경 요청
+export const SSVC_TYPE_ROOM_INFO_UPD_RES = 34; // 대화방 정보 변경 응답
+export const SSVC_TYPE_ROOM_FONT_UPD_REQ = 35; // 대화방 옵션 변경 요청
+export const SSVC_TYPE_ROOM_FONT_UPD_NOTI = 36; // 대화방 옵션 변경 알림
+export const SSVC_TYPE_ROOM_FONT_UPD_RES = 37; // 대화방 옵션 변경 응답
+export const SSVC_TYPE_ROOM_DEL_REQ = 41; // 대화방 삭제 요청
+export const SSVC_TYPE_ROOM_DEL_RES = 42;
+export const SSVC_TYPE_ROOM_EXIT_REQ = 51; // 퇴장 요청
+export const SSVC_TYPE_ROOM_EXIT_RES = 52;
+export const SSVC_TYPE_ROOM_EXIT_NOTI = 53;
+
+export const SSVC_TYPE_ROOM_EXIT_ALL_REQ = 61; // 전체 대화방 퇴장 요청
+export const SSVC_TYPE_ROOM_EXIT_ALL_RES = 62; // 전체 대화방 퇴장 응답
+
+export const SSVC_TYPE_ROOM_EXIT_FORCING_REQ = 54; // 대화상대 강퇴 요청
+export const SSVC_TYPE_ROOM_EXIT_FORCING_NOTI = 55; // 대화상대 강퇴 알림
+export const SSVC_TYPE_ROOM_EXIT_FORCING_RES = 56; // 대화상대 강퇴 응답
+export const SSVC_TYPE_ROOM_USER_STATUS_REQ = 71; // 대화상대 오프라인 체크 요청
+export const SSVC_TYPE_ROOM_USER_STATUS_RES = 72; // 대화상대 오프라인 체크 응답
diff --git a/projects/ucap-webmessenger-protocol-room/src/public-api.ts b/projects/ucap-webmessenger-protocol-room/src/public-api.ts
index e3983287..70b64234 100644
--- a/projects/ucap-webmessenger-protocol-room/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-room/src/public-api.ts
@@ -2,6 +2,15 @@
  * Public API Surface of ucap-webmessenger-protocol-room
  */
 
+export * from './lib/models/room-info';
+export * from './lib/models/room-invite';
+export * from './lib/models/room-open';
+export * from './lib/models/room-open2';
+export * from './lib/models/room-open3';
+export * from './lib/models/room-open4';
+
 export * from './lib/services/room-protocol.service';
+export * from './lib/types/employee.type';
+export * from './lib/types/room.type';
 
 export * from './lib/ucap-room-protocol.module';
diff --git a/projects/ucap-webmessenger-protocol-sync/src/lib/models/buddy.ts b/projects/ucap-webmessenger-protocol-sync/src/lib/models/buddy.ts
new file mode 100644
index 00000000..81a428f0
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-sync/src/lib/models/buddy.ts
@@ -0,0 +1,118 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage,
+  BodyStringDivider
+} from '@ucap-webmessenger/protocol';
+import { UserInfo } from '../types/userInfo';
+
+export interface BuddyInfo {
+  // 사용자SEQ
+  userSeq: number;
+  // 즐.찾 여부
+  isFavorit: boolean;
+  // 친구여부
+  isBuddy: boolean;
+}
+
+export interface SyncBuddyRequest extends ProtocolRequest {
+  // 0. 동료 씽크일시(s) cf)2019-09-24 16:51:42
+  syncDate: string;
+}
+
+export interface SyncBuddyDataResponse extends ProtocolResponse {
+  // n. {동료정보-S}...
+  buddyInfos: BuddyInfo[];
+}
+
+export interface SyncBuddyDataDetailResponse extends ProtocolResponse {
+  // n. {동료정보-S}...
+  buddyInfos: UserInfo[];
+}
+
+export interface SyncBuddyResponse extends ProtocolResponse {
+  // 0. 동료 씽크일시(s) cf)2019-09-24 16:51:42
+  syncDate: string;
+}
+
+export const encodeSyncBuddy: ProtocolEncoder<SyncBuddyRequest> = (
+  req: SyncBuddyRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.syncDate || '' });
+  return bodyList;
+};
+
+export const decodeSyncBuddy: ProtocolDecoder<SyncBuddyResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    syncDate: message.bodyList[0]
+  } as SyncBuddyResponse;
+};
+
+export const decodeSyncBuddyData: ProtocolDecoder<SyncBuddyDataResponse> = (
+  message: ProtocolMessage
+) => {
+  const buddyInfos: BuddyInfo[] = [];
+  message.bodyList.forEach(buddyinfo => {
+    const info = buddyinfo.split(BodyStringDivider);
+    buddyInfos.push({
+      userSeq: info[0],
+      isFavorit: info[1] === 'Y' ? true : false,
+      isBuddy: info[2] === 'Y' ? true : false
+    });
+  });
+  return {
+    buddyInfos
+  } as SyncBuddyDataResponse;
+};
+
+export const decodeSyncBuddyDataDetail: ProtocolDecoder<
+  SyncBuddyDataDetailResponse
+> = (message: ProtocolMessage) => {
+  const buddyInfos: UserInfo[] = [];
+  message.bodyList.forEach(buddyinfo => {
+    const info = buddyinfo.split(BodyStringDivider);
+    let i = 0;
+    buddyInfos.push({
+      userSeq: info[i],
+      name: info[i++],
+      profileImageFile: info[i++],
+      grade: info[i++],
+      intro: info[i++],
+      companyCode: info[i++],
+      hpNumber: info[i++],
+      lineNumber: info[i++],
+      email: info[i++],
+      isMobile: info[i++],
+      deptName: info[i++],
+      isFavorit: info[i++],
+      isBuddy: info[i++],
+      isActive: info[i++],
+      roleCd: info[i++],
+      employeeNum: info[i++],
+      madn: info[i++],
+      hardSadn: info[i++],
+      fmcSadn: info[i++],
+      nameEn: info[i++],
+      nameCn: info[i++],
+      gradeEn: info[i++],
+      gradeCn: info[i++],
+      deptNameEn: info[i++],
+      deptNameCn: info[i++],
+      isPrivacyAgree: info[i++],
+      isValidLogin: info[i++],
+      employeeType: info[i++],
+      nickName: info[i++]
+    });
+  });
+  return {
+    buddyInfos
+  } as SyncBuddyDataDetailResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-sync/src/lib/models/group.ts b/projects/ucap-webmessenger-protocol-sync/src/lib/models/group.ts
new file mode 100644
index 00000000..ab767624
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-sync/src/lib/models/group.ts
@@ -0,0 +1,101 @@
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage,
+  BodyStringDivider
+} from '@ucap-webmessenger/protocol';
+
+export interface GroupInfo {
+  // 그룹SEQ(n)
+  seq: number;
+  // 그룹이름(s)
+  name: string;
+  // ActiveYN(s)
+  isActive: boolean;
+  // 사용자SEQ(s)
+  userSeqStr: string;
+}
+export interface SyncGroupRequest extends ProtocolRequest {
+  // 0. 동료 씽크일시(s) cf)2019-09-24 16:51:42
+  syncDate: string;
+}
+
+export interface SyncGroupDataResponse extends ProtocolResponse {
+  // n. {동료그룹정보}...
+  groupInfos: GroupInfo[];
+}
+
+export interface SyncGroupDataDetailResponse extends ProtocolResponse {
+  // 그룹SEQ(n)
+  seq: number;
+  // 그룹이름(s)
+  name: string;
+  // ActiveYN(s)
+  isActive: boolean;
+  // 사용자SEQ(n)1
+  userSeqs: number[];
+}
+
+export interface SyncGroupResponse extends ProtocolResponse {
+  // 0. 동료 씽크일시(s) cf)2019-09-24 16:51:42
+  syncDate: string;
+}
+
+export const encodeSyncGroup: ProtocolEncoder<SyncGroupRequest> = (
+  req: SyncGroupRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.syncDate || '' });
+  return bodyList;
+};
+
+export const decodeSyncGroup: ProtocolDecoder<SyncGroupResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    syncDate: message.bodyList[0]
+  } as SyncGroupResponse;
+};
+
+export const decodeSyncGroupData: ProtocolDecoder<SyncGroupDataResponse> = (
+  message: ProtocolMessage
+) => {
+  const groupInfos: GroupInfo[] = [];
+  message.bodyList.forEach(buddyinfo => {
+    const info = buddyinfo.split(BodyStringDivider);
+    groupInfos.push({
+      seq: info[0],
+      name: info[1],
+      isActive: info[2] === 'Y' ? true : false,
+      userSeqStr: info[3]
+    });
+  });
+
+  return {
+    groupInfos
+  } as SyncGroupDataResponse;
+};
+
+export const decodeSyncGroupDataDetail: ProtocolDecoder<
+  SyncGroupDataDetailResponse
+> = (message: ProtocolMessage) => {
+  let userSeqs: number[] = [];
+  if (message.bodyList.length > 3) {
+    userSeqs = message.bodyList.slice(3);
+  }
+  return {
+    // 그룹SEQ(n)
+    seq: message.bodyList[0],
+    // 그룹이름(s)
+    name: message.bodyList[1],
+    // ActiveYN(s)
+    isActive: message.bodyList[2] === 'Y' ? true : false,
+    // 사용자SEQ(n)1
+    userSeqs
+  } as SyncGroupDataDetailResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-sync/src/lib/models/room.ts b/projects/ucap-webmessenger-protocol-sync/src/lib/models/room.ts
new file mode 100644
index 00000000..bcb18fa8
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-sync/src/lib/models/room.ts
@@ -0,0 +1,175 @@
+import { LocaleCode } from '@ucap-webmessenger/core';
+import {
+  ProtocolRequest,
+  ProtocolResponse,
+  ProtocolEncoder,
+  PacketBody,
+  PacketBodyValue,
+  ProtocolDecoder,
+  ProtocolMessage,
+  BodyStringDivider
+} from '@ucap-webmessenger/protocol';
+import {
+  RoomInfo,
+  UserInfoShort,
+  UserInfo,
+  EmployeeType
+} from '@ucap-webmessenger/protocol-room';
+import { RoleCode } from '@ucap-webmessenger/protocol-authentication';
+import { EventType } from '@ucap-webmessenger/protocol-event';
+
+export interface SyncRoomRequest extends ProtocolRequest {
+  // 0. 동료 씽크일시(s) cf)2019-09-24 16:51:42
+  syncDate: string;
+  // 언어코드
+  localeCode: LocaleCode;
+}
+
+export interface SyncRoomDataResponse extends ProtocolResponse {
+  // n. {대화방정보}...
+  roomInfos: RoomInfo[];
+}
+
+export interface SyncRoomUserDataResponse extends ProtocolResponse {
+  // 0. 대화방SEQ(s)
+  roomSeq: string;
+  // 1n. {참여자정보}
+  userInfos: UserInfoShort[];
+}
+
+export interface SyncRoomUserDataDetailResponse extends ProtocolResponse {
+  // 0. 대화방SEQ(s)
+  roomSeq: string;
+  // 1n. {참여자정보-D}
+  userInfos: UserInfo[];
+}
+
+export interface SyncRoomResponse extends ProtocolResponse {
+  // 0. 동료 씽크일시(s) cf)2019-09-24 16:51:42
+  syncDate: string;
+}
+
+export const encodeSyncRoom: ProtocolEncoder<SyncRoomRequest> = (
+  req: SyncRoomRequest
+) => {
+  const bodyList: PacketBody[] = [];
+
+  bodyList.push({ type: PacketBodyValue.String, value: req.syncDate || '' });
+  bodyList.push({ type: PacketBodyValue.String, value: req.localeCode });
+  return bodyList;
+};
+
+export const decodeSyncRoom: ProtocolDecoder<SyncRoomResponse> = (
+  message: ProtocolMessage
+) => {
+  return {
+    syncDate: message.bodyList[0]
+  } as SyncRoomResponse;
+};
+
+export const decodeSyncRoomData: ProtocolDecoder<SyncRoomDataResponse> = (
+  message: ProtocolMessage
+) => {
+  const roomInfos: RoomInfo[] = [];
+  if (message.bodyList.length > 1) {
+    const info = message.bodyList[1].split(BodyStringDivider);
+    if (info.length > 11) {
+      roomInfos.push({
+        roomSeq: info[0],
+        roomType: info[1],
+        roomName: info[2],
+        finalEventType: info[3] as EventType,
+        finalEventMessage: info[4],
+        finalEventDate: info[5],
+        joinUserCount: info[6],
+        noReadCnt: info[7],
+        isAlarm: info[8] !== 'N' ? true : false,
+        isJoinRoom: info[9] === 'Y' ? true : false,
+        expiredFileStdSeq: info[10],
+        isTimeRoom: info[11] === 'Y' ? true : false,
+        timeRoomInterval: info[11] !== 'Y' ? 0 : info[12] || 0
+      });
+    }
+  }
+
+  return {
+    roomSeq: message.bodyList[0],
+    roomInfos
+  } as SyncRoomDataResponse;
+};
+
+export const decodeSyncRoomUserData: ProtocolDecoder<
+  SyncRoomUserDataResponse
+> = (message: ProtocolMessage) => {
+  const userInfos: UserInfoShort[] = [];
+  message.bodyList.slice(1).forEach(userInfo => {
+    const info = userInfo.split(BodyStringDivider);
+    userInfos.push({
+      userSeq: info[0],
+      name: info[1],
+      profileImageFile: info[2],
+      isJoinRoom: info[3],
+      lastReadEventSeq: info[4],
+      madn: info[5],
+      hardSadn: info[6],
+      fmcSadn: info[7],
+      nameEn: info[8],
+      nameCn: info[9],
+      isPrivacyAgree: info[10] === 'Y' ? true : false,
+      isValidLogin: info[11] === 'Y' ? true : false,
+      employeeType: info[12] as EmployeeType,
+      fontColor: info[13]
+    });
+  });
+
+  return {
+    roomSeq: message.bodyList[0],
+    userInfos
+  } as SyncRoomUserDataResponse;
+};
+
+export const decodeSyncRoomUserDataDetail: ProtocolDecoder<
+  SyncRoomUserDataDetailResponse
+> = (message: ProtocolMessage) => {
+  const userInfos: UserInfo[] = [];
+  message.bodyList.slice(1).forEach(userInfo => {
+    const info = userInfo.split(BodyStringDivider);
+    userInfos.push({
+      userSeq: info[0],
+      name: info[1],
+      profileImageFile: info[2],
+      grade: info[3],
+      intro: info[4],
+      companyCode: info[5],
+      hpNumber: info[6],
+      lineNumber: info[7],
+      email: info[8],
+      isMobile: info[9] === 'Y' ? true : false,
+      deptName: info[10],
+      isJoinRoom: info[11] === 'Y' ? true : false,
+      lastReadEventSeq: info[12],
+      isActive: info[13] === 'Y' ? true : false,
+      roleCd: info[14] as RoleCode,
+      employeeNum: info[15],
+      madn: info[16],
+      hardSadn: info[17],
+      fmcSadn: info[18],
+      nameEn: info[19],
+      nameCn: info[20],
+      gradeEn: info[21],
+      gradeCn: info[22],
+      deptNameEn: info[23],
+      deptNameCn: info[24],
+      callMode: info[25],
+      isPrivacyAgree: info[26] === 'Y' ? true : false,
+      isValidLogin: info[27] === 'Y' ? true : false,
+      employeeType: info[28] as EmployeeType,
+      id: info[29]
+    });
+  });
+
+  return {
+    roomSeq: message.bodyList[0],
+    userInfos
+  } as SyncRoomUserDataDetailResponse;
+};
diff --git a/projects/ucap-webmessenger-protocol-sync/src/lib/services/sync-protocol.service.ts b/projects/ucap-webmessenger-protocol-sync/src/lib/services/sync-protocol.service.ts
index 65bbd034..ff96c854 100644
--- a/projects/ucap-webmessenger-protocol-sync/src/lib/services/sync-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-sync/src/lib/services/sync-protocol.service.ts
@@ -1,8 +1,211 @@
 import { Injectable } from '@angular/core';
 
+import { Observable } from 'rxjs';
+import { map, take, takeWhile } from 'rxjs/operators';
+
+import { ProtocolService } from '@ucap-webmessenger/protocol';
+import {
+  SyncBuddyRequest,
+  SyncBuddyResponse,
+  SyncBuddyDataResponse,
+  encodeSyncBuddy,
+  decodeSyncBuddyData,
+  decodeSyncBuddy,
+  decodeSyncBuddyDataDetail
+} from '../models/buddy';
+import {
+  SVC_TYPE_SYNC_BUDDY,
+  SSVC_TYPE_SYNC_BUDDY_REQ,
+  SSVC_TYPE_SYNC_BUDDY_RES,
+  SSVC_TYPE_SYNC_BUDDY_DATA,
+  SSVC_TYPE_SYNC_BUDDY2_REQ,
+  SSVC_TYPE_SYNC_BUDDY2_RES,
+  SSVC_TYPE_SYNC_BUDDY2_DATA,
+  SVC_TYPE_SYNC_GROUP,
+  SSVC_TYPE_SYNC_GROUP_REQ,
+  SSVC_TYPE_SYNC_GROUP_RES,
+  SSVC_TYPE_SYNC_GROUP_DATA,
+  SSVC_TYPE_SYNC_GROUP_REQ2,
+  SSVC_TYPE_SYNC_GROUP_RES2,
+  SSVC_TYPE_SYNC_GROUP_DATA2,
+  SVC_TYPE_SYNC_ROOM,
+  SSVC_TYPE_SYNC_ROOM_REQ,
+  SSVC_TYPE_SYNC_ROOM_RES,
+  SSVC_TYPE_SYNC_ROOM_DATA,
+  SSVC_TYPE_SYNC_ROOM_USER,
+  SSVC_TYPE_SYNC_ROOM_USER2,
+  SSVC_TYPE_SYNC_ROOM2_REQ,
+  SSVC_TYPE_SYNC_ROOM2_RES,
+  SSVC_TYPE_SYNC_ROOM2_DATA,
+  SSVC_TYPE_SYNC_ROOM2_USER,
+  SSVC_TYPE_SYNC_ROOM2_USER2
+} from '../types/service';
+import {
+  SyncGroupRequest,
+  SyncGroupResponse,
+  SyncGroupDataResponse,
+  encodeSyncGroup,
+  decodeSyncGroupDataDetail,
+  decodeSyncGroup,
+  decodeSyncGroupData,
+  SyncGroupDataDetailResponse
+} from '../models/group';
+import {
+  SyncRoomRequest,
+  SyncRoomResponse,
+  encodeSyncRoom,
+  decodeSyncRoom,
+  SyncRoomUserDataResponse,
+  SyncRoomUserDataDetailResponse,
+  SyncRoomDataResponse,
+  decodeSyncRoomData,
+  decodeSyncRoomUserData,
+  decodeSyncRoomUserDataDetail
+} from '../models/room';
+
 @Injectable({
   providedIn: 'root'
 })
 export class SyncProtocolService {
-  constructor() {}
+  constructor(private protocolService: ProtocolService) {}
+
+  public syncBuddy(
+    req: SyncBuddyRequest
+  ): Observable<SyncBuddyResponse | SyncBuddyDataResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_SYNC_BUDDY,
+        SSVC_TYPE_SYNC_BUDDY_REQ,
+        ...encodeSyncBuddy(req)
+      )
+      .pipe(
+        takeWhile(res => SSVC_TYPE_SYNC_BUDDY_RES !== res.subServiceType),
+        map(res => {
+          if (SSVC_TYPE_SYNC_BUDDY_DATA === res.subServiceType) {
+            return decodeSyncBuddyData(res);
+          }
+
+          return decodeSyncBuddy(res);
+        })
+      );
+  }
+
+  public syncBuddy2(
+    req: SyncBuddyRequest
+  ): Observable<SyncBuddyResponse | SyncBuddyDataResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_SYNC_BUDDY,
+        SSVC_TYPE_SYNC_BUDDY2_REQ,
+        ...encodeSyncBuddy(req)
+      )
+      .pipe(
+        takeWhile(res => SSVC_TYPE_SYNC_BUDDY2_RES !== res.subServiceType),
+        map(res => {
+          if (SSVC_TYPE_SYNC_BUDDY2_DATA === res.subServiceType) {
+            return decodeSyncBuddyDataDetail(res);
+          }
+
+          return decodeSyncBuddy(res);
+        })
+      );
+  }
+
+  public syncGroup(
+    req: SyncGroupRequest
+  ): Observable<SyncGroupResponse | SyncGroupDataResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_SYNC_GROUP,
+        SSVC_TYPE_SYNC_GROUP_REQ,
+        ...encodeSyncGroup(req)
+      )
+      .pipe(
+        takeWhile(res => SSVC_TYPE_SYNC_GROUP_RES !== res.subServiceType),
+        map(res => {
+          if (SSVC_TYPE_SYNC_GROUP_DATA === res.subServiceType) {
+            return decodeSyncGroupData(res);
+          }
+
+          return decodeSyncGroup(res);
+        })
+      );
+  }
+
+  public syncGroup2(
+    req: SyncGroupRequest
+  ): Observable<SyncGroupResponse | SyncGroupDataDetailResponse> {
+    return this.protocolService
+      .call(
+        SVC_TYPE_SYNC_GROUP,
+        SSVC_TYPE_SYNC_GROUP_REQ2,
+        ...encodeSyncGroup(req)
+      )
+      .pipe(
+        takeWhile(res => SSVC_TYPE_SYNC_GROUP_RES2 !== res.subServiceType),
+        map(res => {
+          if (SSVC_TYPE_SYNC_GROUP_DATA2 === res.subServiceType) {
+            return decodeSyncGroupDataDetail(res);
+          }
+
+          return decodeSyncGroup(res);
+        })
+      );
+  }
+
+  public syncRoom(
+    req: SyncRoomRequest
+  ): Observable<
+    | SyncRoomResponse
+    | SyncRoomDataResponse
+    | SyncRoomUserDataResponse
+    | SyncRoomUserDataDetailResponse
+  > {
+    return this.protocolService
+      .call(SVC_TYPE_SYNC_ROOM, SSVC_TYPE_SYNC_ROOM_REQ, ...encodeSyncRoom(req))
+      .pipe(
+        takeWhile(res => SSVC_TYPE_SYNC_ROOM_RES !== res.subServiceType),
+        map(res => {
+          if (SSVC_TYPE_SYNC_ROOM_DATA === res.subServiceType) {
+            return decodeSyncRoomData(res);
+          } else if (SSVC_TYPE_SYNC_ROOM_USER === res.subServiceType) {
+            return decodeSyncRoomUserData(res);
+          } else if (SSVC_TYPE_SYNC_ROOM_USER2 === res.subServiceType) {
+            return decodeSyncRoomUserDataDetail(res);
+          }
+
+          return decodeSyncRoom(res);
+        })
+      );
+  }
+
+  public syncRoom2(
+    req: SyncRoomRequest
+  ): Observable<
+    | SyncRoomResponse
+    | SyncRoomDataResponse
+    | SyncRoomUserDataResponse
+    | SyncRoomUserDataDetailResponse
+  > {
+    return this.protocolService
+      .call(
+        SVC_TYPE_SYNC_ROOM,
+        SSVC_TYPE_SYNC_ROOM2_REQ,
+        ...encodeSyncRoom(req)
+      )
+      .pipe(
+        takeWhile(res => SSVC_TYPE_SYNC_ROOM2_RES !== res.subServiceType),
+        map(res => {
+          if (SSVC_TYPE_SYNC_ROOM2_DATA === res.subServiceType) {
+            return decodeSyncRoomData(res);
+          } else if (SSVC_TYPE_SYNC_ROOM2_USER === res.subServiceType) {
+            return decodeSyncRoomUserData(res);
+          } else if (SSVC_TYPE_SYNC_ROOM2_USER2 === res.subServiceType) {
+            return decodeSyncRoomUserDataDetail(res);
+          }
+
+          return decodeSyncRoom(res);
+        })
+      );
+  }
 }
diff --git a/projects/ucap-webmessenger-protocol-sync/src/lib/types/service.ts b/projects/ucap-webmessenger-protocol-sync/src/lib/types/service.ts
new file mode 100644
index 00000000..c13fddf2
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-sync/src/lib/types/service.ts
@@ -0,0 +1,27 @@
+export const SVC_TYPE_SYNC_BUDDY = 81; // 동료 씽크
+export const SSVC_TYPE_SYNC_BUDDY_REQ = 1; // 동료목록 씽크 요청
+export const SSVC_TYPE_SYNC_BUDDY_DATA = 2; // 동료목록 Data
+export const SSVC_TYPE_SYNC_BUDDY_RES = 3; // 동료목록 씽크 완료
+export const SSVC_TYPE_SYNC_BUDDY2_REQ = 11; // 동료목록 씽크 요청(상세)
+export const SSVC_TYPE_SYNC_BUDDY2_DATA = 12; // 동료 정보 Data(상세)
+export const SSVC_TYPE_SYNC_BUDDY2_RES = 13; // 동료 정보 쿼리 완료(상세)
+
+export const SVC_TYPE_SYNC_GROUP = 82; // 동료 씽크
+export const SSVC_TYPE_SYNC_GROUP_REQ = 1; // 그룹목록 씽크 요청
+export const SSVC_TYPE_SYNC_GROUP_DATA = 2; // 그룹 Data
+export const SSVC_TYPE_SYNC_GROUP_RES = 3; // 그룹목록 씽크 완료
+export const SSVC_TYPE_SYNC_GROUP_REQ2 = 4; // 그룹목록 씽크 요청
+export const SSVC_TYPE_SYNC_GROUP_DATA2 = 5; // 그룹 Data
+export const SSVC_TYPE_SYNC_GROUP_RES2 = 6; // 그룹목록 씽크 완료
+
+export const SVC_TYPE_SYNC_ROOM = 83; // 대화방 씽크
+export const SSVC_TYPE_SYNC_ROOM_REQ = 1; // 대화방 목록 씽크 요청
+export const SSVC_TYPE_SYNC_ROOM_DATA = 2; // 대화방 목록 Data
+export const SSVC_TYPE_SYNC_ROOM_USER = 3; // 참여 정보(방갯수만큼)
+export const SSVC_TYPE_SYNC_ROOM_USER2 = 5; // 참여 정보(방갯수만큼)
+export const SSVC_TYPE_SYNC_ROOM_RES = 4; // 대화방 목록 씽크 완료
+export const SSVC_TYPE_SYNC_ROOM2_REQ = 11; // 대화방 목록 씽크 요청
+export const SSVC_TYPE_SYNC_ROOM2_DATA = 12; // 대화방 목록 Data
+export const SSVC_TYPE_SYNC_ROOM2_USER = 13; // 참여 정보(방갯수만큼)
+export const SSVC_TYPE_SYNC_ROOM2_USER2 = 15; // 참여 정보(방갯수만큼)
+export const SSVC_TYPE_SYNC_ROOM2_RES = 14; // 대화방 목록 씽크 완료
diff --git a/projects/ucap-webmessenger-protocol-sync/src/lib/types/userInfo.ts b/projects/ucap-webmessenger-protocol-sync/src/lib/types/userInfo.ts
new file mode 100644
index 00000000..03cfee48
--- /dev/null
+++ b/projects/ucap-webmessenger-protocol-sync/src/lib/types/userInfo.ts
@@ -0,0 +1,63 @@
+import { RoleCode } from '@ucap-webmessenger/protocol-authentication';
+import { EmployeeType } from '@ucap-webmessenger/protocol-room';
+
+export interface UserInfo {
+  // 사용자SEQ
+  userSeq: number;
+  // 사용자명
+  name: string;
+  // 사진파일
+  profileImageFile: string;
+  // 직급
+  grade: string;
+  // 업무소개
+  intro: string;
+  // 기관코드
+  companyCode: string;
+  // 핸드폰번호
+  hpNumber: string;
+  // 내선번호
+  lineNumber: string;
+  // 이메일
+  email: string;
+  // 모바일YN
+  isMobile: boolean;
+  // 부서명
+  deptName: string;
+  // 즐.찾 여부
+  isFavorit: boolean;
+  // 친구여부
+  isBuddy: boolean;
+  // ActiveYN
+  isActive: boolean;
+  // 역할코드
+  roleCd: RoleCode;
+  // 사번
+  employeeNum: string;
+  // MADN
+  madn: string;
+  // HARDPHONE_SADN
+  hardSadn: string;
+  // FMC_SADN
+  fmcSadn: string;
+  // 사용자명(영어)
+  nameEn: string;
+  // 사용자명(중국어)
+  nameCn: string;
+  // 직급(영어)
+  gradeEn: string;
+  // 직급(중국어)
+  gradeCn: string;
+  // 부서명(영어)
+  deptNameEn: string;
+  // 부서명(중국어)
+  deptNameCn: string;
+  // 이용약관동의여부YN
+  isPrivacyAgree: boolean;
+  // 유효접속여부YN
+  isValidLogin: boolean;
+  // 임직원유형(s)
+  employeeType: EmployeeType;
+  // 별명
+  nickName: string;
+}
diff --git a/projects/ucap-webmessenger-protocol-sync/src/public-api.ts b/projects/ucap-webmessenger-protocol-sync/src/public-api.ts
index f98e4736..317de0a3 100644
--- a/projects/ucap-webmessenger-protocol-sync/src/public-api.ts
+++ b/projects/ucap-webmessenger-protocol-sync/src/public-api.ts
@@ -1,7 +1,11 @@
 /*
  * Public API Surface of ucap-webmessenger-protocol-sync
  */
+export * from './lib/models/buddy';
+export * from './lib/models/group';
 
 export * from './lib/services/sync-protocol.service';
 
 export * from './lib/ucap-sync-protocol.module';
+
+export * from './lib/types/userInfo';
diff --git a/projects/ucap-webmessenger-protocol/src/lib/types/packet-body-divider.ts b/projects/ucap-webmessenger-protocol/src/lib/types/packet-body-divider.ts
index 83b7fa4d..7c91f980 100644
--- a/projects/ucap-webmessenger-protocol/src/lib/types/packet-body-divider.ts
+++ b/projects/ucap-webmessenger-protocol/src/lib/types/packet-body-divider.ts
@@ -1,2 +1,4 @@
 export const PacketBodyDivider = '\f';
 export const PacketBodyValueDivider = '\t';
+
+export const BodyStringDivider = '\b';